<s>
XPS	B-Application
Annotator	I-Application
is	O
a	O
document	O
management	O
software	O
program	O
for	O
Microsoft	B-Application
Windows	I-Application
that	O
allows	O
users	O
to	O
view	O
,	O
annotate	O
,	O
convert	O
,	O
sign	O
and	O
print	O
XPS	B-Device
documents	O
.	O
</s>
<s>
Before	O
version	O
1.2	O
,	O
the	O
XPS	B-Application
annotator	I-Application
was	O
installed	O
using	O
the	O
Windows	B-Application
Installer	I-Application
,	O
and	O
from	O
version	O
1.20	O
until	O
the	O
present	O
version	O
(	O
version	O
1.22	O
)	O
it	O
is	O
installed	O
using	O
Inno	B-Language
Setup	I-Language
.	O
</s>
<s>
The	O
.exe	O
files	O
generated	O
by	O
the	O
Inno	B-Language
Setup	I-Language
are	O
compressed	O
into	O
ZIP	B-General_Concept
format	I-General_Concept
.	O
</s>
<s>
There	O
are	O
two	O
kinds	O
of	O
files	O
contained	O
in	O
the	O
zip	B-General_Concept
file	I-General_Concept
,	O
the	O
readme.html	O
and	O
the	O
installer	O
files	O
in	O
the	O
form	O
of	O
.exe	O
files	O
.	O
</s>
<s>
Like	O
PDF	B-Application
documents	I-Application
,	O
Open	B-Device
XML	I-Device
Paper	I-Device
Specification	I-Device
(	O
XPS	B-Device
)	O
documents	O
support	O
the	O
annotation	O
feature	O
,	O
however	O
,	O
the	O
annotations	O
features	O
in	O
XPS	B-Device
documents	O
are	O
still	O
limited	O
.	O
</s>
<s>
XPS	B-Application
Annotator	I-Application
has	O
the	O
ability	O
to	O
add	O
annotations	O
to	O
these	O
XPS	B-Device
documents	O
.	O
</s>
<s>
XPS	B-Application
Annotator	I-Application
also	O
support	O
digital	O
signatures	O
.	O
</s>
<s>
User	O
can	O
digitally	O
sign	O
or	O
encrypt	O
the	O
XPS	B-Device
document	O
for	O
security	O
or	O
authentication	O
,	O
and	O
the	O
supported	O
security	O
certificate	O
is	O
X.509	O
.	O
</s>
<s>
XPS	B-Application
Annotator	I-Application
the	O
capability	O
to	O
convert	O
XPS	B-Device
documents	O
to	O
image	O
files	O
.	O
</s>
<s>
XPS	B-Application
Annotator	I-Application
currently	O
supports	O
conversion	O
of	O
XPS	B-Device
documents	O
into	O
several	O
popular	O
image	O
formats	O
including	O
PNG	O
,	O
JPEG	O
,	O
BMP	B-Device
,	O
GIF	O
and	O
TIFF	O
.	O
</s>
<s>
CNET	O
editors	O
give	O
the	O
XPS	B-Application
Annotator	I-Application
a	O
favorable	O
rating	O
.	O
</s>
